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15 articles
Redis suddenly rejects every write with "MISCONF Redis is configured to save RDB snapshots". Here is how to find out why the snapshot failed (a full d…
Redis refuses writes with "OOM command not allowed when used memory > 'maxmemory'" because it has a memory limit but no eviction policy. Here is the o…
The PHP-FPM warning "server reached pm.max_children setting (5)" means requests are queueing behind five busy workers. Here is how to work out the rig…
Two critical PHP flaws (CVE-2026-109618 and CVE-2026-109619) allow remote code execution and are being exploited. Here is how to check your server, pa…
CVE-2026-87902 is a critical WordPress core RCE flaw, no plugin needed, affecting every version from 4.7 through 7.1.1. Here's how it works, why Docke…
Two critical, unauthenticated CVEs (CVSS 9.8) hit The Events Calendar plugin a day apart, putting 600,000+ WordPress sites at risk. Here's what each a…
CVE-2026-8457 let attackers log in as any admin on WooCommerce sites using Apple login, with no password needed. Here is what happened, how to check i…
WordPress 7.1 triggers a fatal error in WP Rocket versions up to 3.23.2.1, taking down the entire site including wp-admin. Here is who is affected, th…
CVE-2026-32475 is a critical, unauthenticated file upload flaw in Elementor Pro up to 4.2.1, fixed in 4.2.2. Here is how to check your version, why an…
A critical vulnerability in the All-in-One WP Migration and Backup plugin, used on over 5 million sites, lets an attacker achieve remote code executio…
WordPress 7 requires at least PHP 7.4 and recommends PHP 8.3 or newer, with 8.3, 8.4 and 8.5 fully supported. Which version your site should run, how…
Upgraded PHP on your WordPress VPS and now your error log is full of "implicitly marking parameter as nullable" warnings? Here's why it happens, why i…
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